Sewing machine



FIG. 1 is a front elevational view of a sewing machine, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front, top and left side perspective view thereof; and

FIG. 8 is a front, top and left side perspective view with the work bed removed for convenience of illustration.

The shading on the top and right end surfaces of the sewing machine indicates contrasting colors. 

The ornamental design for a sewing machine, as shown and described. 